Show me SI's story of Mayweather failing three tests please and a USADA cover-up.
SI:
Floyd Mayweather received an intravenous vitamin injection before his May fight against Manny Pacquiao, contrary to World Anti-Doping Agency guidelines, SB Nation***8217;s Thomas Hauser reports. Mayweather received an retroactive exemption for the IV after the fight
SI:
Floyd Mayweather received an intravenous vitamin injection before his May fight against Manny Pacquiao, contrary to World Anti-Doping Agency guidelines, SB Nation***8217;s Thomas Hauser reports. Mayweather received an retroactive exemption for the IV after the fight
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